Electric tractor vehicle



FIG. 1 is a top, front and left side perspective view of an electric tractor vehicle showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a side elevational view thereof from the left of FIG. 2, the side opposite that shwon in FIG. 3 being the mirror image thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof; and,

FIG. 7 is a side elevational view thereof on a reduced scale and with an attached vehicle shown in broken lines for illustrative purposes only and forming no part of the claimed design. 

The ornamental design for an electric tractor vehicle, as shown and described. 